Scientific thinking terms

Question 1

what is accurate?

Answer 1

Close to the true value of what you are measuring.

Question 2

what does analyses mean?

Answer 2

The process of looking at data and writing about what you have found out.

Question 3

what is a bar chart?

Answer 3

A way of presenting data when one variable is discrete or categoric and the other is continuous.

Question 4

what does categoric mean?

Answer 4

A variable that has values that are words.

Question 5

what does conclusion mean?

Answer 5

What you write down to say what you have found out during an investigation.

Question 6

what does Confidence mean?

Answer 6

How sure you are of your conclusion based on the data

Question 7

what does Continuous mean?

Answer 7

A variable that has values that can be any number.

Question 8

what is the Control variable?

Answer 8

A variable that you have to keep the same in an investigation.

Question 9

what does Data mean?

Answer 9

Words or numbers that you obtain when you make observations or measurements

Question 10

what is the Dependent variable?

Answer 10

A variable that changes when you change the independent variable.

Question 11

what does Discrete mean?

Answer 11

A variable that can only have whole-number values.

Question 12

what does it mean to Evaluate?

Answer 12

To discuss the quality of data collected during an investigation and suggest improvements to the method.

Question 13

what is the Independent variable?

Answer 13

A variable you change that changes the dependent variable.

Question 14

what is an Investigation?

Answer 14

An experiment or set of experiments designed to produce data to answer a scientific question or test a theory.

Question 15

what is a line graph?

Answer 15

A way of presenting results when there are two numerical variables.

Question 16

what is the line of best fit?

Answer 16

A smooth line on a graph that travels through or very close to as many of the points plotted as possible.

Question 17

what is the mean?

Answer 17

An average of a set of data, found by adding together all the values in the set and dividing by the number of values in the set.

Question 18

what is observation?

Answer 18

Carefully looking at an object or process.

Question 19

what is an outlier?

Answer 19

A result that is very different from the other measurements in a data set.

Question 20

what is a pie chart?

Answer 20

A way of presenting data when one variable is discrete or categoric and the other is continuous

Question 21

what is random error?

Answer 21

An error that causes there to be a random difference between a measurement and the true value each time you measure it.

Question 22

what is Reproducible?

Answer 22

When other people carry out an investigation and get similar results to the original investigation the results are reproducible.

Question 23

what is CORMMSS

Answer 23

Change, Organism, Repeat, Measure, Measure (more detail), Same, Same (more detail)

Question 24

what is a fair test?

Answer 24

A fair test is one in which only the independent variable has been allowed to affect the dependent variable. All other variables have been controlled.

Question 25

what is uncertinty?

Answer 25

The doubt in the result because of the way that a measurement is made.

Question 26

what is a systematic error?

Answer 26

An error that causes there to be the same difference between a measurement and the true value each time you measure it.

Question 27

what is spread?

Answer 27

The difference between the highest and lowest measurements of a set of repeat measurements